Bernd Böckmann

Kernel accesses C: even if booted from A:

1

It should be investigated where the access originates from, because if booted from drive A:, there is no obvious reason why it should access C:

Are suffix-only filenames valid under DOS?

4

Is a name like `.TXT` a valid filename under DOS? From a FAT directory entry perspective this should be allowed. But I am not sure how MS-DOS as a whole...

FreeCOM fails to load string resources

2

Kernel is booted from drive A:. Chances are high it has something to do with COMSPEC, as FreeCOM indicates. Additional info: no CONFIG.SYS and AUTOEXEC.BAT. It should nevertheless work, even...

Despite being read into the registers, the next free cluster (aka. cluster to start the search for free clusters from) is not stored in the DDSC structure. https://github.com/SvarDOS/edrdos/blob/2c73ebb1c639bb57abfafa9e45874e6714778f2f/drdos/buffers.a86#L1706 This may...

Add support for ! as first character of a config.sys line

2

FreeDOS kernel handles config.sys lines starting with an exclamation mark !. If a config.sys line contains ! as first character, then this line can not be skipped by single-stepping.

Add SHELLHIGH support for config.sys

6

FreeDOS kernel supports SHELLHIGH in addition to SHELL to specify the shell. This currently is not supported by DR-DOS. According to the name, command.com is then loaded into high memory?!?...

Drive letter assignment disagree between FreeDOS and EDR kernel

3

EDR kernel assigns drive letters for multiple primary partitions on a drive solely by the order in the partition table. It takes not into account which of them is actve....

Implement IDLEHALT feature like FreeDOS has

7

Currently the EDR-DOS kernel delegates power saving to an external driver internally called `$IDLE$`. This driver is not available in source. It would be nice to have an IDLEHALT feature...